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28 lines
902 B
28 lines
902 B
# 実験課題7
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# 3.7 膨張・収縮
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import cv2
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import numpy as np
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image_path = 'person.jpg'
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img = cv2.imread(image_path)
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if img is not None:
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hsv_img = cv2.cvtColor(img, cv2.COLOR_BGR2HSV)
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lower_skin = np.array([0, 20, 70])
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upper_skin = np.array([20, 255, 255])
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# 2値画像（白黒画像）を作成
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mask_img = cv2.inRange(hsv_img, lower_skin, upper_skin)
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kernel = np.ones((5, 5), np.uint8)
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# オープニング処理 (収縮 -> 膨張) [Erode to Dilate]
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eroded_first = cv2.erode(mask_img, kernel, iterations=3)
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seq_opening = cv2.dilate(eroded_first, kernel, iterations=3)
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cv2.imwrite('3_7_e2d.jpg', seq_opening)
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# クロージング処理 (膨張 -> 収縮) [Dilate to Erode]
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dilated_first = cv2.dilate(mask_img, kernel, iterations=3)
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seq_closing = cv2.erode(dilated_first, kernel, iterations=3)
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cv2.imwrite('3_7_d2e.jpg', seq_closing) |